package com.emall.cart.controller;

import com.emall.cart.service.CartService;
import com.emall.cart.vo.Cart;
import com.emall.cart.vo.CartItem;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author YuanShijia
 * @ClassName CartController.java
 * @Description
 * @createTime 2020年05月29日 14:03:00
 */
@Controller
public class CartController {
    @Autowired
    CartService cartService;

    @GetMapping("deleteItem")
    public  String deleteItem(@RequestParam("skuId") Long skuId){

        cartService.deleteItem(skuId);
        return "redirect:http://127.0.0.1:30000/cart.html";
    }
    @GetMapping("countItem")
    public String countItem(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num) {
        cartService.changeItemCount(skuId,num);
        return "redirect:http://127.0.0.1:30000/cart.html";
    }

    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId,
                            @RequestParam("check") Integer check) {
        cartService.checkItem(skuId, check);
        return "redirect:http://127.0.0.1:30000/cart.html";
    }


    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        Cart cart = cartService.getCart();
        model.addAttribute("cart", cart);
        return "cartList";
    }

    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num,
                            RedirectAttributes attributes) throws ExecutionException, InterruptedException {
        cartService.addToCart(skuId, num);
        attributes.addAttribute("skuId", skuId);
        // 重定向到成功页面，避免重复添加商品
        return "redirect:http://127.0.0.1:30000/addToCartSuccess.html";
    }


    @GetMapping("/addToCartSuccess.html")
    public String addToCart(@RequestParam("skuId") Long skuId, Model model) {
        CartItem item = cartService.getCartItem(skuId);
        model.addAttribute("item", item);
        return "success";
    }
}
